Question

Three vectors equationequation and equation satisfy the condition equation. If equation and equation determine the value of equation

19 Jan 2026
Answer :
Word Count : 171
We are asked to find the value of [ \vec{a}\cdot\vec{b} + \vec{b}\cdot\vec{c} + \vec{c}\cdot\vec{a} ] given that [ \vec{a} + \vec{b} + \vec{c} = \vec{0}, \quad |\vec{a}|=4, \quad ________ __________ ____ ____ _______.
__________ _________ ________ ____ ___.
____ ______ _____ ________ _______ ______ ___ ______ ________.
______ __________ ______ ________ _______ _____ ____ ________ ___ ______.
_____ _______ ______ ____ _______ _______ ________ __________ ____ _____.
_____ ______ _________ ___ __________ ________.
__________ _____ ______ ________ ___ ___.
___ ______ _______ ____ _____ ___ __________.
_________ ______ ________ ____ ________ _________ _________.
________ __________ ___ _________ ____ _______ _______ ________ _______ ______ ________.
___ ________ _________ _________ _______ _____ ______ _____ ________ _______ _________ __________.
__________ ____ ___ _______ ____ ________ ______ _________ _____ __________ __________ _________.
___ _____ ______ __________ _____ _____ _______ _________ __________ ________ __________.
______ ___ _______ _________ _________ _________ __________.
_____ _______ _________ _______ ____ _______ ________ __________ ___.
_______ _____ _____ ________ ___ _________ ___ _________ __________ _______.
_______ ___ _____ __________ ______ _________.
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